<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title>dd</title>
<style>
    li img{
        display:none;
    }
    li:hover img{
        display:block;
    }
</style>
</head>
<body>
<ul>
<li>
    <div>swwwwwwww</div>
    <img src="scenery1.jpg" />
</li>
</ul>
</body>
</html>